Excerpts from Arthur Smyles's message of Wed Jun 01 00:43:39 +0200 2011: > +stdenv.mkDerivation rec { > + name = "zeromq-2.1.7"; convention is to use 2 spaces as indentation. If you're using Vim install vimConfigurable or get vim-addon-nix. Both add additional VimL code setting this properly. This is a minor issue only. Marc Weber